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author | Devang Patel <dpatel@apple.com> | 2007-09-25 18:24:48 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2007-09-25 18:24:48 +0000 |
commit | b8935d5263854e0ea341fc17fd0f1d92c58cfb00 (patch) | |
tree | 94f206c071266c24a27f59fb6e804506f974dc7e /test/Transforms/LoopIndexSplit | |
parent | 242a5baf8cbec6151be634ac2b6877ef2984fa3c (diff) | |
download | external_llvm-b8935d5263854e0ea341fc17fd0f1d92c58cfb00.zip external_llvm-b8935d5263854e0ea341fc17fd0f1d92c58cfb00.tar.gz external_llvm-b8935d5263854e0ea341fc17fd0f1d92c58cfb00.tar.bz2 |
Handle multiple induction variables.
This fixes PR714.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42309 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopIndexSplit')
-rw-r--r-- | test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll b/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll new file mode 100644 index 0000000..06f9e11 --- /dev/null +++ b/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll @@ -0,0 +1,59 @@ +; PR714 +; Update loop iteraton space to eliminate condition inside loop. +; RUN: llvm-as < %s | opt -loop-index-split | llvm-dis | not grep bothcond +define void @test(float* %x, i32 %ndat, float** %y, float %xcen, i32 %xmin, i32 %xmax, float %sigmal, float %contribution) { +entry: + %tmp5310 = icmp sgt i32 %xmin, %xmax ; <i1> [#uses=1] + br i1 %tmp5310, label %return, label %bb.preheader + +bb.preheader: ; preds = %entry + %tmp3031 = fpext float %contribution to double ; <double> [#uses=1] + %tmp32 = mul double %tmp3031, 5.000000e-01 ; <double> [#uses=1] + %tmp3839 = fpext float %sigmal to double ; <double> [#uses=1] + br label %bb + +bb: ; preds = %bb.preheader, %cond_next45 + %i.01.0 = phi i32 [ %tmp47, %cond_next45 ], [ %xmin, %bb.preheader ] ; <i32> [#uses=4] + %k.06.0 = phi i32 [ %tmp49, %cond_next45 ], [ 0, %bb.preheader ] ; <i32> [#uses=3] + %tmp2 = icmp sgt i32 %i.01.0, -1 ; <i1> [#uses=1] + %tmp6 = icmp slt i32 %i.01.0, %ndat ; <i1> [#uses=1] + %bothcond = and i1 %tmp2, %tmp6 ; <i1> [#uses=1] + br i1 %bothcond, label %cond_true9, label %cond_next45 + +cond_true9: ; preds = %bb + %tmp12 = getelementptr float* %x, i32 %i.01.0 ; <float*> [#uses=1] + %tmp13 = load float* %tmp12, align 4 ; <float> [#uses=1] + %tmp15 = sub float %xcen, %tmp13 ; <float> [#uses=1] + %tmp16 = tail call float @fabsf( float %tmp15 ) ; <float> [#uses=1] + %tmp18 = fdiv float %tmp16, %sigmal ; <float> [#uses=1] + %tmp21 = load float** %y, align 4 ; <float*> [#uses=2] + %tmp27 = getelementptr float* %tmp21, i32 %k.06.0 ; <float*> [#uses=1] + %tmp28 = load float* %tmp27, align 4 ; <float> [#uses=1] + %tmp2829 = fpext float %tmp28 to double ; <double> [#uses=1] + %tmp34 = sub float -0.000000e+00, %tmp18 ; <float> [#uses=1] + %tmp3435 = fpext float %tmp34 to double ; <double> [#uses=1] + %tmp36 = tail call double @exp( double %tmp3435 ) ; <double> [#uses=1] + %tmp37 = mul double %tmp32, %tmp36 ; <double> [#uses=1] + %tmp40 = fdiv double %tmp37, %tmp3839 ; <double> [#uses=1] + %tmp41 = add double %tmp2829, %tmp40 ; <double> [#uses=1] + %tmp4142 = fptrunc double %tmp41 to float ; <float> [#uses=1] + %tmp44 = getelementptr float* %tmp21, i32 %k.06.0 ; <float*> [#uses=1] + store float %tmp4142, float* %tmp44, align 4 + br label %cond_next45 + +cond_next45: ; preds = %bb, %cond_true9 + %tmp47 = add i32 %i.01.0, 1 ; <i32> [#uses=2] + %tmp49 = add i32 %k.06.0, 1 ; <i32> [#uses=1] + %tmp53 = icmp sgt i32 %tmp47, %xmax ; <i1> [#uses=1] + br i1 %tmp53, label %return.loopexit, label %bb + +return.loopexit: ; preds = %cond_next45 + br label %return + +return: ; preds = %return.loopexit, %entry + ret void +} + +declare float @fabsf(float) + +declare double @exp(double) |